netdev - Re: [PATCH net-next 16/19] net/mlx5: Implement dma ops and params for mediated device

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Message-ID: <20191107154256.21629e5a@cakuba.netronome.com>
Date:   Thu, 7 Nov 2019 15:42:56 -0500
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Parav Pandit <parav@...lanox.com>
Cc:     alex.williamson@...hat.com, davem@...emloft.net,
        kvm@...r.kernel.org, netdev@...r.kernel.org, saeedm@...lanox.com,
        kwankhede@...dia.com, leon@...nel.org, cohuck@...hat.com,
        jiri@...lanox.com, linux-rdma@...r.kernel.org
Subject: Re: [PATCH net-next 16/19] net/mlx5: Implement dma ops and params
 for mediated device

On Thu,  7 Nov 2019 10:08:31 -0600, Parav Pandit wrote:
> Implement dma ops wrapper to divert dma ops to its parent PCI device
> because Intel IOMMU (and may be other IOMMU) is limited to PCI devices.
> 
> Reviewed-by: Saeed Mahameed <saeedm@...lanox.com>
> Signed-off-by: Parav Pandit <parav@...lanox.com>

Isn't this supposed to use PASSID or whatnot? Could you explain a
little? This mdev stuff is pretty new to networking folks..